Class: Chainer::Functions::Math::AddConstant

Inherits:

Chainer::FunctionNode

Object
Chainer::FunctionNode
Chainer::Functions::Math::AddConstant

show all

Defined in:: lib/chainer/functions/math/basic_math.rb

Instance Attribute Summary

Attributes inherited from Chainer::FunctionNode

#inputs, #outputs, #rank

Instance Method Summary collapse

#backward(indexes, gy) ⇒ Object
#forward(x) ⇒ Object
#initialize(value) ⇒ AddConstant constructor

A new instance of AddConstant.

Methods inherited from Chainer::FunctionNode

#apply, #backward_accumulate, #forward_cpu, #get_retained_inputs, #get_retained_outputs, #label, #output_data, #retain_inputs, #retain_outputs, #unchain

Constructor Details

#initialize(value) ⇒ `AddConstant`

Returns a new instance of AddConstant.



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# File 'lib/chainer/functions/math/basic_math.rb', line 29

def initialize(value)
  @value = value
end

Instance Method Details

#backward(indexes, gy) ⇒ `Object`



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# File 'lib/chainer/functions/math/basic_math.rb', line 37

def backward(indexes, gy)
  [gy[0]]
end

#forward(x) ⇒ `Object`



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# File 'lib/chainer/functions/math/basic_math.rb', line 33

def forward(x)
  [Utils::Array.force_array(x[0] + @value)]
end